Cyanoacetyl urea in heterocyclic synthesis part V: Facile synthesis of poly-functionalized pyrimdines via different behaviors of its free urea amino group

Document Type : Original Article


1 Green Chemistry department, National research centre

2 Chemistry Department, Faculty of Science, Ain-shams University

3 Green chemistry department, National Research Centre


The poly-functional precursor, cyano-acetyl urea, could be utilized in the synthesis of various pyrimidens utilizing its benzothiazole derivative 1. The free amino group in 1 undergoes different chemical behavior according to the reaction conditions to afford pyrimidines 3,4,5,6,7a,b and 9a,b, respectively.


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